ISSN: 2572-3243 Ragab et al. J Musculoskelet Disord Treat 2017, 3:034 DOI: 10.23937/2572-3243.1510034 Volume 3 | Issue 2 Journal of Open Access Musculoskeletal Disorders and Treatment CASE REPORT Acute Lymphoblastic Leukemia in Systemic Lupus Erythematosus Disguise: A Case Report Gaafar Ragab*, Hala El-Gendy and Rasmia M El-Gohary Department of Internal Medicine, Cairo University, Egypt *Corresponding author: Gaafar Ragab, MD, FACR, Department of Internal Medicine, Faculty of Medicine, Cairo University, Al- Saray St, El-Maniel Manyal, 11562, Cairo, Egypt, Tel: +201005190006, Fax: +20233380345, E-mail: [email protected] treatment is initiated for the underlying malignancy [1]. Abstract The present report describes the case of an 18-year-old Acute Lymphoblastic Leukemia (ALL) is one of the male exhibiting Acute Lymphocytic Leukemia (ALL). He hematological malignancies that frequently present initially presented with a multitude of rheumatic manifesta- with musculoskeletal symptoms [2]. Lupus-like syn- tions that were attributed to Systemic Lupus Erythematosus drome has been described in association with various (SLE). The initial peripheral smear and bone marrow exam did not show any abnormal cells that developed later on malignancies, including breast carcinoma, ovarian carci- along his disease course. noma and hairy-cell leukemia [3]. This report describes an 18-year-old male patient who developed arthritis, Keywords fever, pancytopenia and positive Antinuclear Antibod- Systemic lupus erythematosus, Acute lymphoblastic leuke- ies (ANA). Repeated peripheral smear twice and bone mia, Paraneoplastic rheumatic disorders, Lupus-like Syn- marrow exam did not show any abnormal cells. Months drome, ANA later, a repeat bone marrow biopsy diagnosed acute Abbreviations lymphoblastic leukemia. ACL: Anticardiolipin; ACR: American College of Rheuma- tology; ALL: Acute Lymphoblastic Leukemia; AML: Acute Case Presentation Myeloid Leukemia; ANA: Antinuclear Antibodies; Anti-dsD- An 18-year-old Caucasian male presented with high NA: Anti-Double Stranded DNA Antibodies; CML: Chronic Myeloid Leukemia; CMV: Cytomegalovirus; DIP: Distal In- fever, progressive non-itchy erythematous maculopapu- terphalangeal; EBV: Epstein Barr Virus; HBV: Hepatitis-B lar skin rash and blackish crusty lesions involving the ex- Virus; HCV: Hepatitis-C Virus; LA: Leukemic Arthritis; LCV: tremities, trunk and the external genitalia. Few months Leukocytoclastic Vasculitis; LDH: Lactate Dehydrogenase; later the patient noticed violet discoloration around the MCP: Metacarpo-Phalangeal; PIP: Proximal Interphalange- al; RDs: Rheumatic Disorders; SLE: Systemic Lupus Ery- eyes, hair loss, malar rash, and orogenital ulcers, as well thematosus; SLICC: Systemic Lupus International Collab- as arthritis of both elbows and knees. He also developed orating Clinics loss of weight, subconjunctival hemorrhage & anemic manifestations. Shortly after, he suffered from puffiness Introduction of the eye lids associated with bilateral lower limb ede- ma. Paraneoplastic Rheumatic Disorders (RDs) are re- ferred to the rheumatic manifestations that are caused Examination revealed fever (39 °C), soft palate wet by a hidden malignant disease; however, they are not purpura, subconjunctival hemorrhage, heliotrope like directly related to invasion by a tumor or its metastasis. rash, maculopapular, vesicular rash with some blackish The paraneoplastic RD usually precede the onset of the crusty lesions and secondary infected areas involving malignancy by months or years, and they improve once his extremities, and to a lesser extent the trunk (Figure Citation: Ragab G, El-Gendy H, El-Gohary RM (2017) Acute Lymphoblastic Leukemia in Systemic Lupus Erythematosus Disguise: A Case Report. J Musculoskelet Disord Treat 3:034. doi.org/10.23937/2572- 3243.1510034 Received: August 01, 2016: Accepted: June 06, 2017: Published: June 08, 2017 Copyright: © 2017 Ragab G, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Ragab et al. J Musculoskelet Disord Treat 2017, 3:034 • Page 1 of 5 • DOI: 10.23937/2572-3243.1510034 ISSN: 2572-3243 Figure 1: (A) Macuolopapular rash with heliotrope rash over the face (left panel); (B) Macuolopapular rash over the arm (right panel). Figure 2: Dusky red macular and bulbous bullous lesions seen over the lower limb. 1 and Figure 2). Some lesions were observed over the chest X-ray & abdominal ultrasonography were normal. scrotum. There was also bilateral lower limb oedema Skin biopsy showed vascular and perivascular infiltra- together with bilateral tender and swollen elbows and tion of polymorphonuclear leukocytes with formation knees. of nuclear dust, extravasation of erythrocytes, and fi- brinoid necrosis of the vessel walls; a picture consistent Investigations revealed pancytopenia (HB: 5.4 g/ with leukocytoclastic vasculitis. dl, MCV: 84 fl, TLC: 2600/mm3, and PLT: 28000/mm3) with normal differential leukocytic count and no ab- The multisystem nature of the disease and the rheu- normal cells, reticulocytopenia, elevated ESR (55 mm/ matic manifestations (malar rash, oral ulcers, arthritis, hr) and elevated Lactate Dehydrogenase (LDH). Bone proteinuria, leukopenia, thrombocytopenia, positive marrow aspiration revealed a moderately hypercellular ANA above the laboratory reference range) were in fa- bone marrow. Urine analysis showed proteinuria with vor of Systemic Lupus Erythematosus (SLE) as they met no casts; protein in 24 hours urine was 1125 mg/24 h. the 2012 Systemic Lupus International Collaborating There was no hypocomplementemia. Blood culture and Clinics (SLICC) classification criteria for SLE [4]. sensitivity showed no growth. Intravenous methyl-prednisolone 3-gram over three The autoimmune profile was only positive for homog- days was started. The patient was maintained on pred- enous Antinuclear Antibodies (ANA) at a titer of 1/80 nisolone 40 mg/day together with hydroxychloroquine by immune fluorescence (our hospital lab reference 400-mg/day, gastric protection and antiresorptive ther- was 1/40). Virology screen for Hepatitis-C Virus (HCV), apy. The patient was discharged with marked improve- Hepatitis-B Virus (HBV), Epstein Barr Virus (EBV) and Cy- ment of fever, skin lesions (Figure 3), general condition tomegalovirus (CMV) were negative. Echocardiograhy, and all the initially abnormal laboratory investigations. Ragab et al. J Musculoskelet Disord Treat 2017, 3:034 • Page 2 of 5 • DOI: 10.23937/2572-3243.1510034 ISSN: 2572-3243 Figure 3: Patient's pictures on discharge showing marked improvement of all skin lesions. Figure 4: Multiple bulbous bullous-like lesions with crusty areas over knee and livedo like lesions over legs. He was scheduled for a follow-up visit after one month. paraneoplastic RD and the malignancy, (ii) Substances released by tumor cells, for example hormones and One month later the patient was readmitted to the peptides, which trigger inflammation and (iii) Hypersen- hospital with high grade fever and extensive skin crusty sitivity reaction, which develops against the released in- bullous lesions over knees and legs (Figure 4). Investi- tracellular antigens from apoptotic tumor cells, includ- gations revealed pancytopenia with relative lympho- ing nucleic acid-associated proteins; the latter explana- cytosis and some atypical lymphocytes. BM aspiration tion is supported by the presence of auto-antibodies to and biopsy showed all elements to be depressed and nuclear proteins in patients with paraneoplastic RDs [6]. the bone marrow to be totally infiltrated by 70% of blast cells. Blasts were myeloperoxidase stain negative, In our case the misleading diagnosis was influenced features suggestive of Acute Lymphoblastic Leukemia by the presence of Leukocytoclastic Vasculitis (LCV), (ALL). The patient was transferred to The National Can- arthritis, proteinuria and blood abnormalities together cer Institute and missed his follow up. with positive ANA. Cutaneous Leukocytoclastic Vasculi- Discussion tis is the most common type of vasculitis reported with cancer, especially the myeloproliferative and lymphop- Paraneoplastic syndromes are the manifestations of roliferative hematologic malignancies [7]. Fain, et al. an underlying malignancy that may be hidden. The para- evaluated 60 patients with vasculitis and malignancy, neoplastic rheumatic disorders include a wide spectrum LCV was encountered in 45% of cases in their cohort [8]. of manifestations for example; arthritis, myositis, lu- Also Leukemic Arthritis (LA) has been reported more pus-like syndrome and vasculitis. They may be an initial frequently in children, and in acute leukemia more than presentation, in such cases the diagnosis may be diffi- chronic subtypes. Synovial infiltration by leukemic cells cult and needs a high index of suspicion. However they resulting in hemorrhage into the joint appears to be the can be used as a clue for the underlying malignancy [5]. primary potential pathogenic mechanism. Other mech- Paraneoplastic RD can be mediated by the follow- anisms include immune complex-induced synovitis and ing assumed mechanisms: (i) A common initiative fac- synovial reaction to periosteal or capsular infiltration tor (bacteria, virus, radiation) that can trigger both the [9]. Asymmetrical oligoarticular or polyarticular arthri- Ragab et al. J Musculoskelet Disord Treat 2017, 3:034 • Page